What is Black FR4(Black core) PCB?
Black Core PCB is a special type of printed circuit board that features a distinct appearance and characteristics compared to traditional PCBs. It is named after the black substrate material used betw...
Basic Knowledge of Capacitors
Capacitors are commonly used electronic components in modern circuits and devices. With a history and utility of over 250 years, capacitors are among the oldest electronic components that have been re...
What are PCB Teardrops? | PCB Knowledge
Designing PCBs comes with various challenges, including undesirable breakouts due to drill wander, misalignment, and stress concentration. To address these issues, one effective technique is the use o...
How to Make a Significant Improvement in Circuit Boards with a Small Investment - Choosing the Right Solder Mask Ink
How Important is Solder Mask Ink?Provides insulation protection;Acts as a safeguard against short circuits and corrosion;Enhances the reliability and durability of the circuit board;Ensures stable tra...
What are counterbore and countersink? | PCB Knowledge
Counterbore holes are cylindrical with flat bottoms, while countersink holes are conical recesses designed to accommodate a screw or bolt. Both types serve to insert screws or fasteners, yet they offe...
Multilayer PCB Stack-up Basics | PCB Knowledge
Single-layer PCBs and double-layer PCBs are two basic types of boards that have only one or two layers of conductive materials over the substrate. When more routing space or signal integrity is requir...
Effect of PCB Materials on High-speed Circuits
A few years ago, when discussing signal integrity, the focus was generally on models and software. However, nowadays, engineers are gradually starting to pay attention to the impact of PCB materials o...
What is PCB Bow and Twist? | PCB Knowledge
Ideally, PCBs should be perfectly flat, however, this is not always possible. Bow and twist usually occur. PCB bow and twist are two common types of board warpage that can occur during and after the P...
What is PCB Panelization? | PCB Knowledge
PCB panelization is a technique of manufacturing a collection of PCBs together on a single larger panel which can foster the easy movements of PCBs through an assembly line. Each board in the panel ca...
What are Thermal Relief Pads? | PCB Knowledge
A thermal relief pad is a technique used in PCB design to reduce thermal stress problems. It includes copper spokes that extend from the pad to the surrounding copper plane. Figure 1: Thermal rel...
What is Embedded Passive Technology? | PCB Knowledge
What is embedded passive technology?Embedded passive technology refers to the process of integrating passive components such as resistors, and capacitors, directly onto the inner layers of a PCB durin...
What are PCB Test Coupons? | PCB Knowledge
What is a Test Coupon?A test coupon is a small section of the PCB that is designed with specific dimensions and electrical properties, such as trace widths, trace spacing, and impedance values, to det...
What is a Hybrid PCB? | PCB Knowledge
A Hybrid PCB is a type of printed circuit board that combines two or more substrate materials, such as FR4 and Polyimide, FR4 and Ceramic, FR4 and Aluminum base, etc. Hybrid PCBs are becoming increasi...
What are Mounting Holes? | PCB Knowledge
What are Mounting Holes?Mounting holes are holes that are drilled through a PCB to provide a location for mounting the board to a chassis or enclosure. They are typically larger in diameter than other...
What is PCB Back Drilling? | PCB Knowledge
What is PCB Back Drilling?Back drilling is a technique used to remove via stubs from the inner layers of a multilayer PCB. Via stubs are non-functional portions of plated through-hole or via barrels w...
What is a Rogers PCB? | PCB Knowledge
Rogers PCB is a type of high-performance printed circuit board substrate material that is made by laminating multiple layers of specialized materials together. The material is named after the Rogers C...
What is a Backplane PCB? | PCB Knowledge
What is a Backplane PCB?A backplane PCB is a type of PCB that is used to connect multiple electronic devices within a system. It acts as a backbone, providing a central interface that enables the comm...
What is Solder Flux? | Soldering Basics
What is Solder Flux and How Does It Work?Solder flux is a useful tool to promote bonding between the solder and the metal surfaces of the components during the soldering process. While solder paste is...
Via-in-Pad Design | PCB Knowledge
What is a Via-in-Pad?As electronic products become increasingly miniaturized, multi-functional, and highly integrated, PCBs need to accommodate higher routing densities. To meet this demand, via-in-pa...
Types of PCB Pads | PCB Knowledge
What is a PCB Pad?A pad is the exposed area of copper on a circuit board, where the component lead is soldered. The electrical connection of all components is made via pads. The design and placement o...
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 5 |
| 2 | Engineer | 2 |
| 3 | Engineer | 1 |
| 4 | sheng wang | 1 |